code: def tearDownClass(cls) -> None:
      shutil.rmtree("tests")
      shutil.rmtree("inference")
      shutil.rmtree("dcscn_output")
  
file_path: PaddleHub/modules/image/Image_editing/super_resolution/dcscn/test.py
imports: import os
  import shutil
  import unittest
  import cv2
  import requests
  import numpy
  import paddlehub
label_desc: Use image node_id 2 for calling the TestHubModule obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types